Finding the Fourth Proportional to 10,398.87, 14,350.59 and 5,683.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,398.87 : 14,350.59 = 5,683.05 : x
2. Step 2: Convert to fraction form
   10,398.87/14,350.59 = 5,683.05/x
3. Step 3: Cross multiply
   10,398.87x = 14,350.59 × 5,683.05
4. Step 4: Simplify right side
   10,398.87x = 81,555,120.50
5. Step 5: Solve for x
   x = 81,555,120.50/10,398.87
6. Step 6: Final answer
   x = 7,842.69